Motor Control Commons

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Recent Articles in Motor Control

Comparison Of Responses In Proactive Vs. Reactive Balance Control, Christina A. Sadowski, Deborah Espy Cleveland State University

Comparison Of Responses In Proactive Vs. Reactive Balance Control, Christina A. Sadowski, Deborah Espy

Undergraduate Research Posters 2012

Even though recent research suggests reactive balance training (unexpected, external perturbations) has more effective, long term results than proactive training (self-initiated actions), the latter is used most often in a clinical setting due to its affordability and convenience. This pilot study sought to develop a safe, affordable, and easily portable perturbation-inducing device to be used for reactive balance training.


Postural And Muscular Adaptations To Repetitive Simulated Assembly Line Work, Samantha E. Ebata McMaster University

Postural And Muscular Adaptations To Repetitive Simulated Assembly Line Work, Samantha E. Ebata

Open Access Dissertations and Theses

Few studies have shown the process of adaptation in muscle activity and joint angle during prolonged repetitive work. Fifteen healthy men performed 1 minute cycles of automotive-related tasks, which included a finger pull, knob turn, drill press and hose connector push. The experiment occurred on two days, separated by 24 hours. Day 1 required 61 cycles, with 5 cycles on day 2. Electromyography and kinematics of the upper extremity were analyzed at 12-minute intervals. Time to complete work cycle decreased by 6.3 s at the end of day 1 and 5.3 s on day 2. Peak EMG decreased ...


Have You Considered High School Peer Health Educators?, Mary C. Schutten Grand Valley State University

Have You Considered High School Peer Health Educators?, Mary C. Schutten

Mary C. Schutten

No abstract provided.


Task-Dependent Properties Of The Human Anconeus Muscle, Brad Harwood Western University

Task-Dependent Properties Of The Human Anconeus Muscle, Brad Harwood

Electronic Thesis and Dissertation Repository

Recording motor unit (MU) action potentials during fast muscle contractions, specifically during movement, presents unique challenges that constrain the investigation of the upper limits of human MU performance. The anconeus muscle exhibits many advantageous characteristics that suggest it is an appealing model for the study of MU behaviour in challenging experiment paradigms. Thus, the purpose was to determine the MU recruitment and discharge properties associated with the generation of movement up to maximal angular velocities of elbow extension and to determine the effect of submaximal fatiguing movements on these MU properties. Due to the synergistic nature of the anconeus in ...


Electroencephalographic Correlates Of Spatial Attention Index The Degree Of Online Control In Goal-Directed Reaching, Ali Mulla Western University

Electroencephalographic Correlates Of Spatial Attention Index The Degree Of Online Control In Goal-Directed Reaching, Ali Mulla

Electronic Thesis and Dissertation Repository

Goal-directed reaches performed with limb vision (i.e., closed-loop: CL) are more accurate than their limb occluded (i.e., open-loop: OL) counterparts. This finding is frequently attributed to the use of online limb vision to effect trajectory amendments. Notably, however, the central planning of CL and OL reaches may also influence trajectory control. To that end, I examined the behavioural and event-related brain potentials (ERP) of reaches in a target perturbation paradigm wherein information regarding the nature of response (CL or OL) was provided prior to response cuing. CL reaches exhibited earlier and more effective trajectory amendments than OL reaches ...